diff options
| -rw-r--r-- | drivers/virt/acrn/acrn_drv.h | 10 | ||||
| -rw-r--r-- | drivers/virt/acrn/mm.c | 9 | ||||
| -rw-r--r-- | fs/afs/security.c | 3 |
3 files changed, 11 insertions, 11 deletions
diff --git a/drivers/virt/acrn/acrn_drv.h b/drivers/virt/acrn/acrn_drv.h index 1be54efa666c..5663c17ad37c 100644 --- a/drivers/virt/acrn/acrn_drv.h +++ b/drivers/virt/acrn/acrn_drv.h @@ -48,6 +48,7 @@ struct vm_memory_region_op { * @reserved: Reserved. * @regions_num: The number of vm_memory_region_op. * @regions_gpa: Physical address of a vm_memory_region_op array. + * @regions_op: Flexible array of vm_memory_region_op. * * HC_VM_SET_MEMORY_REGIONS uses this structure to manage EPT mappings of * multiple memory regions of a User VM. A &struct vm_memory_region_batch @@ -55,10 +56,11 @@ struct vm_memory_region_op { * ACRN Hypervisor. */ struct vm_memory_region_batch { - u16 vmid; - u16 reserved[3]; - u32 regions_num; - u64 regions_gpa; + u16 vmid; + u16 reserved[3]; + u32 regions_num; + u64 regions_gpa; + struct vm_memory_region_op regions_op[]; }; /** diff --git a/drivers/virt/acrn/mm.c b/drivers/virt/acrn/mm.c index 3b1b1e7a844b..b4ad8d452e9a 100644 --- a/drivers/virt/acrn/mm.c +++ b/drivers/virt/acrn/mm.c @@ -192,7 +192,7 @@ int acrn_vm_ram_map(struct acrn_vm *vm, struct acrn_vm_memmap *memmap) /* Get the page number of the map region */ nr_pages = memmap->len >> PAGE_SHIFT; - pages = vzalloc(nr_pages * sizeof(struct page *)); + pages = vzalloc(array_size(nr_pages, sizeof(*pages))); if (!pages) return -ENOMEM; @@ -244,16 +244,15 @@ int acrn_vm_ram_map(struct acrn_vm *vm, struct acrn_vm_memmap *memmap) } /* Prepare the vm_memory_region_batch */ - regions_info = kzalloc(sizeof(*regions_info) + - sizeof(*vm_region) * nr_regions, - GFP_KERNEL); + regions_info = kzalloc(struct_size(regions_info, regions_op, + nr_regions), GFP_KERNEL); if (!regions_info) { ret = -ENOMEM; goto unmap_kernel_map; } /* Fill each vm_memory_region_op */ - vm_region = (struct vm_memory_region_op *)(regions_info + 1); + vm_region = regions_info->regions_op; regions_info->vmid = vm->vmid; regions_info->regions_num = nr_regions; regions_info->regions_gpa = virt_to_phys(vm_region); diff --git a/fs/afs/security.c b/fs/afs/security.c index 3c7a8fc4f93f..7c6a63a30394 100644 --- a/fs/afs/security.c +++ b/fs/afs/security.c @@ -219,8 +219,7 @@ void afs_cache_permit(struct afs_vnode *vnode, struct key *key, * yet. */ size++; - new = kzalloc(sizeof(struct afs_permits) + - sizeof(struct afs_permit) * size, GFP_NOFS); + new = kzalloc(struct_size(new, permits, size), GFP_NOFS); if (!new) goto out_put; |